According to The Hollywood Reporter, the 71-year-old host was "up and about and in good spirits while doctors complete their testing." He's simply awaiting the doctors' green light to be released and recover at home.

Alex previously had a heart attack in December 2007 and is expected to return to set in July when Jeopardy! starts filming again. Just last summer he pulled his Achilles tendon after chasing a burgler in his San Francisco hotel room.